<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <input type="text" v-model="num" placeholder="请输入1-100之间的整数">
    <input type="button" value="猜一猜" @click="f()">
    <div>
        {{result}}
    </div>
</div>
</body>

<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let x=parseInt(Math.random()*100)+1;
    let v= new Vue({
        el:"body>div",
        data:{
            result:"还未点击",
            num:""
        },
        methods:{
          f(){
              //判断用户输入的值和x的关系
              if (v.num>x){
                  v.result="猜大了!"
              }else if (v.num<x){
                  v.result="猜小了!"
              }else {
                  v.result="猜对了"
              }
          }
        }
    })
</script>
</html>